6
H. S
1. Is digestion of food a physical change?
2. Are galvanised pipes used in community water
1. Electrolysing : Chemical change :: Crystallization
syrup is a chemical change.
State Yes or No:
supply system?
State Right or wrong:
1. Steel is an alloy.
2. Is rust iron oxide?
E. Analogy Type:
1
2.
Gain in matter : combination reaction ::
Exchange of matter :
F. Match the following:
Column A
Column B
1. Burning of candle
a. Chemical change
b. Physical change
2. Iron nail kept in
humid air
3. Melting of ice
C. Reactants and
products
4. Chemical reaction
d. Acid + Base -
Salt + Water
5. Neutralisation
e. Rusting
guys answer fast it's urgent plzz
Answers
Answered by
2
Answer:
yes it is a physical change......
Explanation:
yes it is a physical change......
Muscular movement in the stomach cause food particles to become even smaller. This this is a physical change . Enzymes and the digestive juice in the stomach work to chemically break down proteins into amino acid now in the form of large and small molecules the food undergoes mostly chemical changes.
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